Home / 14,690.14-20,277.01-9,384.95

Finding the Fourth Proportional to 14,690.14, 20,277.01 and 9,384.95

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Solution

The fourth proportional to 14,690.14, 20,277.01 and 9,384.95 is: 12,954.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,690.14 : 20,277.01 = 9,384.95 : x
  2. Step 2: Convert to fraction form
    14,690.14/20,277.01 = 9,384.95/x
  3. Step 3: Cross multiply
    14,690.14x = 20,277.01 × 9,384.95
  4. Step 4: Simplify right side
    14,690.14x = 190,298,787.42
  5. Step 5: Solve for x
    x = 190,298,787.42/14,690.14
  6. Step 6: Final answer
    x = 12,954.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.